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Researchers, led by Dr. Derrick Bryce-Smith of the University of Reading in England, have discovered that a specially prepared solution of Zinc sulfate, when taken orally, can be used to determine the status of zinc, using the activity of Gustine, a zinc dependent enzyme in saliva.
In their studies (published in The Lancet in 1985) they showed that when administering 10 ml of the zinc sulfate solution, a lack of taste or perception of delayed taste reveals a state of zinc deficiency while an immediate perception of the taste of the solution indicates that the person has a normal zinc intake. Subsequent studies have shown that this test is reliable and reproducible.
The Asportek formula provides the consumer with a simple and inexpensive screening method to determine the need for zinc. By using the Zinc tester to determine one’s zinc requirements and by carrying out a new test after 30 days of supplementation, one can, not only determine his / her zinc requirements, but also assess if the zinc supplements taken as part of a program are properly absorbed.
Zinc sulfate 1mg